1. Archaeology Institute, University of the Highlands & Islands, Kirkwall, UK
2. Department of Geography & Environment, School of Geosciences, University of Aberdeen, Aberdeen, UK
3. Environmental and Geographical Sciences, Faculty of Art Science and Technology, University of Northampton, Northampton, UK
4. Eco-Past (GI-1553), Fac. Bioloxía, Universidade de Santiago Santiago de Compostela, Santiago de Compostela, Spain
5. Historic Environment Scotland, Longniore House, Edinburgh, Scotland, UK
6. SUERC, East Kilbride, UK
7. Department of Anthropology and Sociology, University of South Dakota, Vermillion, USA